Exercise apparatus



FIG. 1 is a perspective view of an exercise apparatus showing our new design;

FIG. 2 is a front view, back view is a mirror image thereof

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a side view, the opposite side is a mirror image thereof.

The broken lines shown in the figures are for the purposes of illustrating portions of the exercise apparatus which form no part of the claimed design. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 